#E4F05A#E4F05A

#E4F05A is a very light, vivid yellow. Relative luminance 0.796; OKLCH L 91.9% C 0.170 H 113.6°. Best body text is #000000 at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#E4F05A
RGB	rgb(228, 240, 90)
HSL	hsl(65, 83%, 65%)
HSV	hsv(65, 63%, 94%)
CMYK	cmyk(5%, 0%, 62.5%, 5.9%)
CIE-LAB	lab(91.48, -22.77, 68.67)
CIE-LCH	lch(91.48, 72.35, 108.35°)
OKLab	oklab(91.87% -0.0682 0.1561)
OKLCH	oklch(91.87% 0.17 113.6)
XYZ	xyz(65.0021, 79.5536, 21.6020)
Luminance	0.7955 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F05A #665AF0

analogous

#F0B15A #E4F05A #99F05A

triadic

#E4F05A #5AE4F0 #F05AE4

tetradic

#E4F05A #5AF0B1 #665AF0 #F05A99

square

#E4F05A #5AF0B1 #665AF0 #F05A99

split-complementary

#E4F05A #5A99F0 #B15AF0

monochromatic

#B0BE11 #DBEB22 #E4F05A #EDF592 #F6FACA

Accessibility & contrast

On white

1.24

#E4F05A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.91

#E4F05A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F05A

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F05A	#FFFFFF	#000000	##000000
##E4F05A	1.00	1.24	16.91	16.91
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.91	21.00	1.00	1.00
##000000	16.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE547

Deuteranopia (green-blind)

#FFE864

Tritanopia (blue-blind)

#F2E3D1

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #e4f05a;
/* rgb */ color: rgb(228, 240, 90);
/* oklch */ color: oklch(91.9% 0.170 113.6);

Tailwind

colors: {
  custom: {
    50: '#f0f48f',
    500: '#e4f05a',
    950: '#000000',
  },
}

SCSS

$custom: #e4f05a;
$custom-light: #f0f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f05a",
  "rgb": {
    "r": 228,
    "g": 240,
    "b": 90
  },
  "hsl": {
    "h": 64.8,
    "s": 83.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.91874,
    "c": 0.17033,
    "h": 113.6
  },
  "luminance": 0.79552
}

Semantic roles & 50–950 ramp

primary

#E4F05A

secondary

#3D32BD

accent

#06E017

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E4F05A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →